Pre-Market Movers (Amarin Corp, Facebook, Zynga, Saks, Credit Suisse, Atlantic Power, Tata Motors, O'Reilly Automotive)

Amarin Corp plc (AMRN) stock climbed 14.36 percent to $15.05 in pre-market trading. The stock has a 52-week low of $5.99, a 52-week high of $15.02 and $1.81 billion in market capitalization.

Facebook Inc. (FB) stock gained 1.96 percent to $33.75 in pre-market trading. Analysts at Citigroup initiated coverage on shares of Facebook with “neutral” rating and set a price target of $35.

Zynga Inc. (ZNGA) stock gained 1.30 percent to $5.84 in pre-market trading. The company stock plunged nearly 5 percent in regular trading Tuesday after announcing its new feature called unified “Zynga with Friends” and unveiled new web and mobile games across more genres.

Saks Inc. (SKS) stock fell 2.79 percent to $9.75 in pre-market trading. The stock has a 52-week low of $7.67, a 52-week high of $12.14 and $1.60 billion in market capitalization.

O'Reilly Automotive Inc. (ORLY) stock declined 2.22 percent to $94.30 in pre-market trading after lowering its second quarter earnings outlook. The company currently expects second quarter earnings to be in the lower end of its previously announced guidance range of $1.13 to $1.17 per share.

Credit Suisse Group AG (CS) stock fell 2.13 percent to $17.46 in pre-market trading. Credit Suisse plans to axe one third of senior employees as a weak economy and tighter regulation continue to erode capital raising and advisory activities, Reuters reported Tuesday citing unnamed sources.

Atlantic Power Corp. (AT) stock declined 2.18 percent to $13.00 in pre-market trading. The company announced Tuesday that it has commenced an underwritten public offering of 5.5 million common shares of the Company.

Tata Motors Ltd. (TTM) stock declined 2 percent to $21.09 in pre-market trading. The stock has a 52-week low of $14.33, a 52-week high of $30.63 and $68.29 billion in market capitalization.